From the (super short) Appscope listing:
A simple, yet powerful micro journaling app
The URL to tap on or type in is journalisticapp.com
Of course, you can turn this into an 'app' yourself with PAWA or just pin it 'as is' on your Start screen. Or just add it as a 'Favourite'. It's up to you. If you're confused by the different PWA options then check out my feature here.
Here's the PWA app in action:
There's a login process, but it's worth going through, since all your diary entries are then in the Cloud and if you lose your phone then it's all safe, etc! (right) Plenty of settings and things to fiddle with in the interface.
Getting going with 'microjournaling'(!) - the idea of jotting stuff down as you go does appeal - since by the end of a day most of us are too tired or too forgetful to record much!!